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Finding the Fourth Proportional to 567,609.99, 783,438.26 and 341,211.75

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Solution

The fourth proportional to 567,609.99, 783,438.26 and 341,211.75 is: 470,954.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,609.99 : 783,438.26 = 341,211.75 : x
  2. Step 2: Convert to fraction form
    567,609.99/783,438.26 = 341,211.75/x
  3. Step 3: Cross multiply
    567,609.99x = 783,438.26 × 341,211.75
  4. Step 4: Simplify right side
    567,609.99x = 267,318,338,005.50
  5. Step 5: Solve for x
    x = 267,318,338,005.50/567,609.99
  6. Step 6: Final answer
    x = 470,954.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.